Security 51 on Steam Deck

Security 51 is fully playable on Steam Deck according to the official Steam Community FAQ.

Current input requirement

The FAQ says a touchscreen or trackpad-based cursor is currently required. Plan to use one of those cursor inputs for the game interface.

What this note does not claim

This source does not establish a Steam Deck Verified status, a controller-only control scheme, or specific button mappings. Those details should be confirmed in the current build before relying on them.

Before you play

Check the current Steam store page and the official FAQ for compatibility changes.